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Finding the Fourth Proportional to 44.18, 60.90 and 33.79

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Solution

The fourth proportional to 44.18, 60.90 and 33.79 is: 46.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.18 : 60.90 = 33.79 : x
  2. Step 2: Convert to fraction form
    44.18/60.90 = 33.79/x
  3. Step 3: Cross multiply
    44.18x = 60.90 × 33.79
  4. Step 4: Simplify right side
    44.18x = 2,057.51
  5. Step 5: Solve for x
    x = 2,057.51/44.18
  6. Step 6: Final answer
    x = 46.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.